<?php

/**
 * Copyright (C) 2020 Tencent Cloud.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Discuz\SpecialChar;

/**
 * Interface SpecialCharServer
 * 过滤内容 防止Xss注入
 *
 * @package Discuz\SpecialChar
 */
interface SpecialCharServer
{
    /**
     * @param $string
     * @return string
     */
    public function purify($string);
}
